Die construction for fan blades

Details Die construction for fan blades Die construction for fan blades

1981-03-16

1983-05-17

Gilden, Leon

Metal deforming

By application of fluent medium, or energy field

Using fixed die

291568B, 29421R, B21D 2210

Patent

active

043834264

ABSTRACT:
A die construction for forming or reforming a fan blade to press dies in which opposed dies have cooperating cavities to form a recess to receive the blade, at least a part of one of the cavities having a diaphragm welded thereto to form a chamber beneath the diaphragm so that by pressing the chamber the adjacent part of the blade will be shaped against the surface of the opposing recess.

REFERENCES:
patent: 3701190 (1972-10-01), Stone, Jr.
patent: 4087037 (1978-05-01), Schier et al.
patent: 4188811 (1980-02-01), Brimm
patent: 4301584 (1981-11-01), Dillner et al.

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